Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4609538 | Scrap heating method | Kiyohide Hayashi, Kenji Kanada, Noboru Demukai, Tetsuo Okamoto | 1986-09-02 |
| 4531971 | Method of and apparatus for melting scrap | Senji Fujita, Kenji Kanada, Noboru Demukai, Tetuo Okamoto | 1985-07-30 |